dr. rico radeke chair of communication networks dresden ... · christel baier rene schüffny frank...
TRANSCRIPT
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5G LAB GERMANY
Dr. Rico Radeke
Chair of Communication NetworksDresden University of Technology
Mobilfunktagung 2015, Osnabrück
The Holistic 5G Vision
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The Holistic 5G Vision5G LAB GERMANY
5G Use Cases
5G Use Cases
5G Requirements
5G Requirements
5G Holistic View
5G Holistic View
WirelessWireless NetworkNetwork
SiliconSilicon CloudCloud
Videos: www.5glab.de
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Via Della Conciliazione
Source: http://www.spiegel.de/panorama/bild‐889031‐473266.html Source: http://www.spiegel.de/panorama/bild‐889031‐473242.html
2005/4/4 2013/3/12
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Wireless >2020 Outlook
100Tb/s
10 Tb/s
1 Tb/s
100Gb/s
10Gb/s
1Gb/s
100Mb/s
10Mb/s
1Mb/s
100Kb/s
10Kb/s
1995 2000 2005 2010 2015 2020 2025 2030
!802.11ac/ad
802.11n802.11ag
802.11
802.11b
GSM GPRS
HSPA
HSDPALTE
3G R99 / EDGE
LTE Advanced
WLAN (10m)
Cellular (100m)
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Via Della Conciliazione
Gerhard Fettweis
Source: http://www.spiegel.de/panorama/bild‐889031‐473266.html Source: http://www.spiegel.de/panorama/bild‐889031‐473242.html
4.4.2005 12.3.2013
Quelle: japantimes.co.jp/news/2014/09/30/asia-pacific/hong-kong-democracy-protesters-set-deadline-for-demands/
500Billion Devices
2022
7Billion Devices
2014
Throughput
but there is more ....
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THE TACTILE INTERNETAND ITS MILLISECOND
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The Tactile Internet
http://ostsee‐spezial.de/?p=148
Moving from 50ms round‐trip time 1ms tomorrow
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Gaming: They were the first to recognize …
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Tactile Internet Killer App: Free Viewpoint Video
5/21/2015Gerhard Fettweis Slide 9http://baumgartnerfl.lima‐city.de/stadion.html
10 cameras @ 100Hz frame rate 100Gb/s< 10ms latency, 1‐10ms synchronization!!!
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The Tactile Internet: Remote Controlled Humanoid Robots
http://images.gizmag.com/hero/8456_51207105642.jpg
http://www.dvice.com/archives/2011/05/kinect_controll_1.php
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Human Touch
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The Tactile InternetThe Manufacturing Revolution Ahead
http://jerryrushing.net/wp‐content/uploads/2012/04/robotic_assembly_line1.jpg
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1-2 ms examples of today’s cars: ESC, ABS
Tomorrow: platooned ESC & ABS
Platooning
13
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14
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Smart Grids Minimizing Reactive Power
αα
1ms
18°
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5G REQUIREMENTS
Gerhard Fettweis
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5G – “Massive” Requirements
17
Sta
te o
f th
e ar
t
Massive safety and security
5G
The Tactile
Internet
> 10Gbit/s per user < 1ms RTT > 10k sensors per cell < 10 outage
Massive low latency
Massive throughput
Massive sensing
Massive resilience
Massive fractal heterogenity
< 10 security 10x10 heterogeneity
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Revolution Ahead: The Tactile Internet
≤ 4G:Ubiquitous
Content Communications
Health & CareTraffic & MobilitySports & GymEdutainmentManufacturingSmart Grid…
5G:
Ubiquitous
Steering & ControlCommunications
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Revolution Ahead: The Tactile Internet
Mission Critical
Net Neutrality
≤ 4G:Ubiquitous
Content Communications
5G:
Ubiquitous
Steering & ControlCommunications
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2G – 1992 VoiceMessages
3G – 2002 + Data+ Positioning
4G – 2012+ Video everything+ 3D Graphics
5G – 2022 + Tactile Internet
Cellular Roadmap of USPs
Gerhard Fettweis 20
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5G LAB GERMANY
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22
5G LABGERMANY
5G Research on four Tracks
Mobile edge cloudSilicon systems
Tactile Internet applications
Wireless & Network
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Members on TracksWireless & Networking
track
Silicon systemstrack
Mobile edge cloud track
Tactile Internet application track
Gerhard Fettweis
Eduard Jorswieck
Frank Ellinger
Christel Baier
Rene Schüffny
Frank Fitzek
Leon Urbas
Christof FetzerUwe
Aßmann
Wolfgang Lehner
Ercan AltinsoyThorsten Strufe
Klaus Janschek
Dirk Plettemeier
Wolfgang Nagel
Hermann HärtigMichael Schröter Silvia Santini
Team of 500+ Researchers !!! Thomas Herlitzius
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Relevant Startups Generated by Team
24
Wireless trackSilicon systems track Mobile edge cloud
trackTactile Internet
application track
freedelity
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Connected industry partners
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Mission Statement
We will address the massive requirements
by an holistic approach
tackling the wireless and the fix domain.
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THE MILLISECOND -CHALLENGES
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Inhaltfast actuators sensors & transceivers
fastvalue chain
sales & service
systems, networks, softwarecircuits
componentssemi-
conductors
fastnetwork of
statesBerlin
Brandenburg MecklenburgVorpommern
Saxony-Anhalt Saxony
ThuringiaBaden-Württ. Lower Saxony
Bavaria
Coordinators: Frank Ellinger, (Gerhard Fettweis), TU Dresden Starting 2014, appox. €75M project size, 60+ partners
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THE MILLISECOND -FROM SENSOR TO ACTOR
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1ms Impact
HostedComputing
(decider)
Network Config.
Manager(SON)
Terminal
Air Interface
Base Station & Compute = 0.3 ms
= 0.2 ms
= 0.5 msLatency Goals:
ySoftware
Ecosystem
1ms
SensorEmbedded Computing
Receiver100 s
ActuatorEmbedded Computing
ReceiverTransmitter
100 s
Transmitter
Tomahawk2
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1 ms Showcase at Cebit 2015
Research on 5G Slide 5
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COMUPTATIONAL POWER
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Collaborative Research Center 912: HAEC − Highly Adaptive Energy-Efficient Computing
The Communication Bottleneck of Parallel Computing
7
Parallelism = 2Comm. Links = 1
P = 4C = 6
P = 8C = 28
P = 16C = 120
P = 32C = 496
P = 64C = 2016
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Collaborative Research Center 912: HAEC − Highly Adaptive Energy-Efficient Computing
Highly Adaptive Energy-Efficient ComputingHigh-Rate Inter-Chip Communications
8
Radio Interconnect• Top-of-3D-stack antenna arrays• analog/digital beam steering and
interference minimization• 100Gb/s – 1Tb/s • 25 GHz channel @ 200GHz carrier• 3D routing & flow management
Optical Interconnect• adaptive analog/digital circuits for
e/o transceiver• embedded polymer waveguide• packaging technologies
(e.g. 3D stacking of Si/III-V hybrids)• 90° coupling of laser
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Collaborative Research Center 912: HAEC − Highly Adaptive Energy-Efficient Computing
The Outlook: The Box in 2030+
Assume 64K processors per chip 4x4 chip-stacks, double-sided board160x chips stacked in 3D 4x boards in a box
in 10x10x10 cm3 (1 liter) 108 processors!
1.6K processor + 16K memory chips 104x performance of today!
Box
9
10m2 Si
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Collaborative Research Center 912: HAEC − Highly Adaptive Energy-Efficient Computing
HAEC Box Embedded Everywhere10
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RESILIENCE
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Carrier Grade Wireless: Use cases
Traffic safety &efficiency
Availability(time)
Coverage/Availability(space)
Latency Speed
> 99.999% < 1ms ≈100% < 500kmh
Industrial automation(Motion control)
Tele surgery
> 99.999999% < 1ms ≈100% n/a
> 99.999% < 1ms n/a n/a
> 99.999% n/a ≈100% n/aEmergencyCommunication
Others: Power Networks / Smart Grid, Real‐Time Remote Computing, Platooning, ESP, Exoskeleton [1] [1] Fettweis, G., "The Tactile Internet: Applications and Challenges," Vehicular Technology Magazine, IEEE , vol.9, no.1, pp.64,70, March 2014.
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Serious Carrier Grade: 10-x via Diversity# indep. channels
1 2 3 4 5 6
outage 3% 10-3 3×10-5 10-6 2×10-8 7×10-10
Gerhard Fettweis Slide 13
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MODULATION FOR CM-WAVES
Gerhard Fettweis
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Realtime 5G Research Testbed: GFDM With -45dB to -65dB Notches !
Research on 5G Slide 15
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10 Gbit/s Showcase at Cebit 2015
Research on 5G Slide 16
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LTE COMPATIBILITY
Gerhard Fettweis
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The LTE Frame Structure
Gerhard Fettweis 18
LTE is clearly one order of magnitude above the target latency.
The 5G goal:Reduce the 1 ms based frame structure to something in the order of 50‐100 μs.
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THE NETWORK
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Circuit Switched Networks
Communication Networks
Voice
Places
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Circuit Switched Networks
Rev
olu
tio
n
Use Cases
Internet of Things (IoT)
Remote Cars
Robotics
Smart Grids
eHealth
Flying Internet
Technical Cha
lleng
es
Massive throughput
Massive reduction in delay
Massive resilience
Massive safety & security
Massive heterogeneity
Massive sensing
Massive energy saving
Code Centric Networks
A
B
Packet Switched Networks
Communication Networks
Revolution
Voice
Data
Voice
Places People
Voice
Data
Control
Things
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5G Communication Networks
• will be dominated by mesh architectures in the fixed as well as in the
wireless domain
• require changes mainly in the fixed network (70%)
• will see fusion of storage and transport
• use network coding to break with the end to end paradigm and enabling
low delay recoding
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NETWORK CODING
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Network Coding: The Butterfly
XOR operation
Bitwise operation
Same bit value results in „0“
Different bit value results in „1“
0011
0011
0101
0101
0101 0011
0110
01100110
0101 0101 00110011
CODING
0101XOR 0011
0110
DECODING
0101XOR 0110
0011
DECODING
0011XOR 0110
0101
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The Technology: RLNC
Traditional Approach RLNC
At the heart of many communications problems is a collectors’ problem.
/
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(simple equation‐solving)
1 Σ1 Σ2 Σ3= +a1 b1 g1+’ ’ ’
2 Σ1 Σ2 Σ3= +a2 b2 g2+’ ’ ’
3 Σ2 Σ3= +b3 g3+’ ’
obtained through Gaussian Elimination
Block Coding:
Can decode using both encoded and un‐encoded packets
1
Sliding Window Encoding:
1 2 3 4 5 6 7 8 9 Σ2Σ1
Σ5Σ4Σ32 3 5 6 7 8 91 4 …
1 2 3 4 5 6 7 8 9block‐1 Σ3Σ2Σ1 … Σ3Σ2Σ1 …
Σ3Σ2Σ1 … block‐3
block‐2
Multi‐hop Re‐encoding:
Σ ΣΣ… … … …
Σ Σ Σ
Σ Σ Σ
RLNC Features
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RLNC Application Field
Point-to-Point with delay constraints (TCP)
Reliable Multicast (see IETF NORM)
Channel Bundling (see IETF Multi Path TCP) –
Small Cells
Peer-to-Peer (see IETF WebRTC)
Device-to-Device Communication (3GPP LTE-A)
Wireless Mesh (LTE, WiFi, IoT, M2M, etc)
Satellite Communication (Inter vs Intra)
Software Defined Networks (see IETF/IRTF)
Distributed Storage and Edge Caching
Coding Today(all end‐to‐end)
Coding Tomorrow(Using Random Linear Network Coding)
Classical Multi‐Hop
Multi‐Path
Multi‐Source – Multi‐Destination / Mesh
Multicast
Classical + Sliding Window Encoding
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Kirchhoff versus Network Coding
All engineers follow this principle!
Now we are alone ...!
compute and forwardstore and forward
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KODO
• Fast track to utilize network coding for research and
industry by flexible, tested, maintained & high
performance solution
• Hardware and multi core support
• Library source code fully available. Licenses free for
research/educational, but paid if commercial interest exist
• C++ but bindings for C, Java and Python
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5G RELIABLE MULTICAST
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Reliable Multicast (1)
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Reliable andSynchronous
Multicast
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5G WIRELESS MESH
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Reliable Multicast (2)
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Foto: Torsten Proß, Jeibmann Photographik
Wireless Mesh
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5G THE GAME CHANGER
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5G the game changer
4G and before
Anna
Frank
Laura
Mobile CloudD2D
Max
Device heterogeneity
Network heterogeneity(5G/4G/WiFi/etc)
Real MultipathCoded Internet
IoT/M2M
Distributed Cloud
Content
Laura
IP
WBH
Internet
WirelessBackhaul
Wireless
Mobile
today‘s market potential
5G and beyondContent
Mobile
Service tomorrow
s‘s market potential
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CONCLUSIONS
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Conclusion
5G is conceptually different to predecessors 2G, 3G and 4G
Focus on steering and control
Massive requirements on 5G
Multipath is the answer for some of them (resilience, security, throughput)
New network architecture (70% changes in fixed network)
Network coding is key technology
Huge market potential for network providers attacking the digital layer